/*
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { Observable } from 'rxjs';

import { ReCaptchaService } from '../../services-ngx/re-captcha.service';

@Injectable()
export class ReCaptchaInterceptor implements HttpInterceptor {
  constructor(private readonly reCaptchaService: ReCaptchaService) {}

  intercept(req: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
    if (this.reCaptchaService && this.reCaptchaService.isEnabled()) {
      const currentReCaptchaToken = this.reCaptchaService.getCurrentToken();
      if (currentReCaptchaToken) {
        req = req.clone({
          headers: req.headers.set(this.reCaptchaService.getHeaderName(), currentReCaptchaToken),
        });
      }
    }

    return next.handle(req);
  }
}
